General Information

We’ve rebuilt countless MOOG D661-4491E valves. When you’ve seen as many as we have, you learn what works.

The NC Servo Tech Advantage

Customer service remains our priority. We provide clear communication, realistic timelines, and professional support throughout the entire process.

Service Procedure

Professional valve service includes disassembly, cleaning, inspection, component replacement, reassembly, and testing to ensure proper operation.

  • Detailed evaluation and reporting
  • Component-level repair or replacement
  • Assembly checks with correct adjustments
  • Functional and leak testing
  • Documented results supplied at return

Ready When You Are

This unit is not currently listed in stock. Contact us to review repair timelines, exchange possibilities, or alternate solutions tailored to your downtime requirements.

Frequently Asked Questions

Schedule Your MOOG D661-4491E Service Today

Trust NC Servo Technology for top-tier service. Contact us today to schedule your repair and get your unit refurbished.